HYBRID LOW-PASS SIGMA-DELTA MODULATOR - Patent 1171956

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EP 1 171 956 A1

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(43)	Date of publication:
	16.01.2002 Bulletin 2002/03

(21)	Application number: 00921530.2

(22)	Date of filing: 29.03.2000

(51)	International Patent Classification (IPC)⁷: H03M 3/02

(86)	International application number:
	PCT/US0008/476

(87)	International publication number:
	WO 0060/745 (12.10.2000 Gazette 2000/41)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

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Priority:

05.04.1999 US 286261

(71)	Applicant: Sonic Innovations, Inc.
	Salt Lake City, UT 84121-7036 (US)

(72)	Inventor:
	HUANG, Renyuan Salt Lake City, UT 84124 (US)

(74)	Representative: Falk, Urs, Dr.
	Patentanwaltsbüro Dr. Urs Falk, Eichholzweg 9A 6312 Steinhausen 6312 Steinhausen (CH)

(54)	HYBRID LOW-PASS SIGMA-DELTA MODULATOR